<img src="{{this.currentDragData['dragBg']}}" alt="">
<ng-template ngFor let-i='index' let-item [ngForOf]='this.currentDragData.drag'>
    <div class="drag">
        <div class="dragStudy-left">
            <ul>
                <ng-template ngFor let-cont let-contIndex='index' [ngForOf]='item.dragLeft'>
                    <li *ngIf='cont.isDrop' [ngStyle]='cont.style' [attr.class]='cont.className'>
                        {{cont.content}}
                    </li>
                </ng-template>
            </ul>
        </div>
        <div class="dragStudy-left1">
            <ul>
                <ng-template ngFor let-cont let-contIndex='index' [ngForOf]='item.dragLeft1'>
                    <li *ngIf='cont.isDrop' [ngStyle]='cont.style'>
                        {{cont.content}}
                    </li>
                </ng-template>
            </ul>
        </div>
        <div class="dragStudy-right">
            <ul>
                <ng-template ngFor let-cont let-contIndex='index ' [ngForOf]='item.dragRight '>
                    <li [ngStyle]='cont.style ' [attr.class]='cont.className '>
                        {{cont.content}}
                    </li>
                </ng-template>
            </ul>
        </div>
    </div>
</ng-template>